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Finding the Fourth Proportional to 297,761.15, 446,710.81 and 98,074.37

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Solution

The fourth proportional to 297,761.15, 446,710.81 and 98,074.37 is: 147,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,761.15 : 446,710.81 = 98,074.37 : x
  2. Step 2: Convert to fraction form
    297,761.15/446,710.81 = 98,074.37/x
  3. Step 3: Cross multiply
    297,761.15x = 446,710.81 × 98,074.37
  4. Step 4: Simplify right side
    297,761.15x = 43,810,881,262.94
  5. Step 5: Solve for x
    x = 43,810,881,262.94/297,761.15
  6. Step 6: Final answer
    x = 147,134.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.